mirror of https://gitee.com/openkylin/qemu.git
127 lines
3.7 KiB
C
127 lines
3.7 KiB
C
/*
|
|
* QEMU GRLIB Components
|
|
*
|
|
* Copyright (c) 2010-2011 AdaCore
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _GRLIB_H_
|
|
#define _GRLIB_H_
|
|
|
|
#include "qdev.h"
|
|
#include "sysbus.h"
|
|
|
|
/* Emulation of GrLib device is base on the GRLIB IP Core User's Manual:
|
|
* http://www.gaisler.com/products/grlib/grip.pdf
|
|
*/
|
|
|
|
/* IRQMP */
|
|
|
|
typedef void (*set_pil_in_fn) (void *opaque, uint32_t pil_in);
|
|
|
|
void grlib_irqmp_set_irq(void *opaque, int irq, int level);
|
|
|
|
void grlib_irqmp_ack(DeviceState *dev, int intno);
|
|
|
|
static inline
|
|
DeviceState *grlib_irqmp_create(target_phys_addr_t base,
|
|
CPUSPARCState *env,
|
|
qemu_irq **cpu_irqs,
|
|
uint32_t nr_irqs,
|
|
set_pil_in_fn set_pil_in)
|
|
{
|
|
DeviceState *dev;
|
|
|
|
assert(cpu_irqs != NULL);
|
|
|
|
dev = qdev_create(NULL, "grlib,irqmp");
|
|
qdev_prop_set_ptr(dev, "set_pil_in", set_pil_in);
|
|
qdev_prop_set_ptr(dev, "set_pil_in_opaque", env);
|
|
|
|
if (qdev_init(dev)) {
|
|
return NULL;
|
|
}
|
|
|
|
env->irq_manager = dev;
|
|
|
|
sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
|
|
|
|
*cpu_irqs = qemu_allocate_irqs(grlib_irqmp_set_irq,
|
|
dev,
|
|
nr_irqs);
|
|
|
|
return dev;
|
|
}
|
|
|
|
/* GPTimer */
|
|
|
|
static inline
|
|
DeviceState *grlib_gptimer_create(target_phys_addr_t base,
|
|
uint32_t nr_timers,
|
|
uint32_t freq,
|
|
qemu_irq *cpu_irqs,
|
|
int base_irq)
|
|
{
|
|
DeviceState *dev;
|
|
int i;
|
|
|
|
dev = qdev_create(NULL, "grlib,gptimer");
|
|
qdev_prop_set_uint32(dev, "nr-timers", nr_timers);
|
|
qdev_prop_set_uint32(dev, "frequency", freq);
|
|
qdev_prop_set_uint32(dev, "irq-line", base_irq);
|
|
|
|
if (qdev_init(dev)) {
|
|
return NULL;
|
|
}
|
|
|
|
sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
|
|
|
|
for (i = 0; i < nr_timers; i++) {
|
|
sysbus_connect_irq(sysbus_from_qdev(dev), i, cpu_irqs[base_irq + i]);
|
|
}
|
|
|
|
return dev;
|
|
}
|
|
|
|
/* APB UART */
|
|
|
|
static inline
|
|
DeviceState *grlib_apbuart_create(target_phys_addr_t base,
|
|
CharDriverState *serial,
|
|
qemu_irq irq)
|
|
{
|
|
DeviceState *dev;
|
|
|
|
dev = qdev_create(NULL, "grlib,apbuart");
|
|
qdev_prop_set_chr(dev, "chrdev", serial);
|
|
|
|
if (qdev_init(dev)) {
|
|
return NULL;
|
|
}
|
|
|
|
sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
|
|
|
|
sysbus_connect_irq(sysbus_from_qdev(dev), 0, irq);
|
|
|
|
return dev;
|
|
}
|
|
|
|
#endif /* ! _GRLIB_H_ */
|